| 21st Century Insurance |
| AccuQuote |
| Alleghany Corporation |
| Allied Insurance |
| Allstate |
| American Automobile Association |
| American Family Insurance |
| American Income Life Insurance Company |
| American International Group (AIG) |
| American National Insurance Company |
| Ameritas |
| Amica Mutual Insurance |
| Aon Corporation |
| Assurant |
| Assurity |
| Auto-Owners Insurance |
| AXA Equitable Life Insurance Company |
| Bankers Life & Casualty Company |
| Berkshire Hathaway |
| California Casualty |
| Capital Insurance Group |
| Cincinnati Insurance Company |
| CNA Financial |
| Colonial Life & Accident Insurance Company |
| Commerce Insurance Group |
| Conseco |
| Country Financial |
| Chartis |
| Chubb Corp. |
| Encompass Insurance Company |
| Erie Insurance Group |
| Esurance |
| Everest Re Group |
| Evergreen USA RRG |
| Farmers Insurance Group |
| Federated Mutual Insurance Company |
| GAINSCO |
| GEICO |
| General Re |
| Genworth Financial |
| GMAC Insurance |
| Guardian Life Insurance Company of America |
| Hanover Insurance |
| The Hartford |
| HCC Insurance Holdings |
| Hereford Insurance Company |
| Infinity Property & Casualty Corporation |
| Insurance Company of the West (ICW Group) |
| International Fidelity Insurance Company |
| Illinois Mutual |
| Jackson National Life |
| John Hancock Insurance |
| Kemper Insurance |
| lgap Insurance |
| Knights of Columbus Insurance |
| Liberty Mutual |
| Markel Corporation |
| MassMutual Financial Group |
| Merchants Insurance Group |
| Mercury Insurance Group |
| MetLife |
| Mutual of America |
| Mutual of Omaha |
| Nationwide Mutual Insurance Company |
| New Jersey Manufacturers Insurance Company |
| New York Life Insurance Company |
| Northwestern Mutual |
| Ohio National |
| OneBeacon |
| Oxford Health Plans |
| Pacific Life |
| PEMCO |
| Penn Mutual |
| Primerica |
| Principal Financial Group |
| Progressive |
| Protective Life |
| Prudential Financial |
| The Regence Group |
| Reliance Insurance Company |
| Response Insurance |
| RLI Corp. |
| Safe Auto Insurance Company |
| Safeco |
| Safeway Insurance Group |
| Sentry Insurance |
| Selective Insurance |
| Shelter Insurance |
| Southern Aid and Insurance Company |
| Standard Insurance Company |
| State Farm Insurance |
| Swiss Re |
| Symetra |
| Tri-State Consumer Insurance Company |
| TIAA-CREF |
| The Travelers Companies |
| Uniguard - Headquarter in greater Seattle area |
| United Auto Insurance Company |
| Unitrin Direct Auto Insurance |
| Unum |
| Vantislife Insurance Company |
| Volusia |
| USAA |
| Wawanesa Insurance USA (CA and OR) |
| Wells Fargo |
| West Coast Life |
| Western Mutual Insurance Group |
| Western & Southern Financial Group |
| Westfield Insurance |
| Western Reserve Life Insurance Company |
| White Mountains Insurance Group |
| AARP |
| Aetna |
| American Family Insurance |
| American National Insurance Company |
| Amerigroup |
| Anthem Blue Cross and Blue Shield |
| Assurant |
| Blue Cross and Blue Shield Association |
| Celtic Insurance Company, subsidiary of Centene Corporation |
| Centene Corporation |
| Cigna |
| Coventry Health Care |
| EmblemHealth |
| Fortis |
| Golden Rule Insurance Company |
| Group Health Cooperative |
| GHI |
| Health Net |
| HealthMarkets |
| HealthSpring |
| Highmark |
| Humana |
| Independence Blue Cross |
| Kaiser Permanente |
| LifeWise Health Plan of Oregon |
| Medical Mutual of Ohio |
| Molina Healthcare |
| Premera Blue Cross |
| Principal Financial Group |
| The Regence Group |
| Shelter Insurance |
| Thrivent Financial for Lutherans |
| UnitedHealth Group |
| Unitrin |
| Universal American Corporation |
| WellCare Health Plans |
| WellPoint |